Parking Brake Switch - Jacobsen R-311T Parts & Maintenance Manual

Adjust brakes after replacing or servicing brake assembly, or if pedal
travel becomes excessive.
1. When installing new brake pads, burnish pads by driving mower
at mowing speed while applying a slight pressure on brake pedal
for about 5 seconds. Release and repeat five times before
making the final adjustment.
Fully loosen adjusting nut (C).
2.
3. By hand, pull cable behind adjusting nut (B) away from pedal
until brake pads just contact brake disk. Thread adjusting nut
(B) up until it contacts the mounting plate. Tighten nut (C) up to
lock adjustment in place. Torque nut (C) to 20 ft. lb. (27 Nm).
Do not over torque or turn cable.
4. Repeat for second cable.
5. Start mower and check operation of brakes. Park mower on an
incline (approx. 16.7° slope) and engage parking brake. Brake
must prevent mower from rolling. Adjust nut (B) as required.
3.5

PARKING BRAKE SWITCH __________________________________________________________________

Check parking brake switch adjustment whenever Interlock System is
not operating correctly. Switch contacts should be closed with parking
brake engaged and should open when parking brake is disengaged.
1. Loosen parking brake switch hardware (D).
2. Adjust switch (E) as required so switch contacts close with the
parking brake engaged, and open when parking brake is
disengaged.
ADJUSTMENTS 3
C
B
Figure 3C
E
D
Figure 3D
9